Characters in Grave Peril

Harry Dresden

Also in Restoration of Faith, Storm Front, Fool Moon, Summer Knight, Death Masks, Death Masks [Dramatized Adaptation], Vignette, Blood Rites, Dead Beat, My Big Fat Supernatural Wedding

Bianca St. Claire

A Red Court vampire hostess whose ball becomes the book's central set-piece and conflict.

Also in Storm Front

Leonid Kravos

A deceased sorcerer whose vengeful ghost, known as the Nightmare, is the book's central threat.

Michael Carpenter

A Knight of the Cross who wields the sacred sword Amoracchius; Harry's ally throughout the book.

Also in Death Masks, Death Masks [Dramatized Adaptation], Small favor, Side Jobs, Christmas Eve

Bob the Skull

A spirit of intellect bound to a skull in Harry's lab, who advises him on the supernatural threat.

Also in Fool Moon, Dead Beat, Small favor, Changes

Susan Rodriguez

Harry's girlfriend, a reporter who is partially transformed into a Red Court vampire during the book's climax.

Also in Storm Front, Fool Moon, Death Masks, Death Masks [Dramatized Adaptation], Changes

Thomas Raith

A White Court vampire noble who meets Harry for the first time at Bianca's ball.

Also in Dead Beat, White Night, Small favor, Backup, Turn Coat, Changes, Twelve Months

Karrin Murphy

Chicago police lieutenant and Harry's frequent collaborator on supernatural cases.

Also in Storm Front, Fool Moon, Summer Knight, Blood Rites, Dead Beat, Proven Guilty, White Night, Small favor, Turn Coat, Changes

Bob

Also in Storm Front, Fool Moon, Blood Rites, Proven Guilty, White Night, Backup, Side Jobs, Ghost Story

Leanansidhe

Also in Summer Knight, Ghost Story

Charity Carpenter

Also in Death Masks, Small favor, Side Jobs

Justine (Dresden Files)

Also in Blood Rites, Turn Coat, Brief Cases

Father Anthony Forthill

Also in Death Masks, Proven Guilty, Side Jobs, Ghost Story

Mavra (Dresden Files)

Also in Blood Rites